//
//  NSString+Extension.h
//

#import <Foundation/Foundation.h>

//是否是空字符串
#define ISBLANK(str) [NSString isBlankString:str]

@interface NSString (Extension)
-(CGSize)sizeWithFont:(UIFont *)font;
-(CGSize)sizeWithFont:(UIFont *)font constrainedToSize:(CGSize)size;
+(NSString *)paramStringWithPram:(NSDictionary *)dic;
+(BOOL)isBlankString:(NSString *)str;
@end
